Tao Nan School P5 SA2 2007 Math Q40

WXYZ is a rectangle. Find the area of the shaded part.



Solution

Area of rectangle ---- 12 cm x 6 cm = 72 square cm

Area of unshaded triangle ----
½ x base x height
= ½ x 7 cm x 6 cm = 21 square cm

Area of shaded part -----
(72 – 21) square cm= 51 square cm (Answer)